2019年02月27日
The infection of the firmware is persistent
Inside their experiments, Eclypsium's researchers would rent an IBM bare metallic cloud
server,
and after that create a harmless alteration to its BMC's firmware, just altering 1 little bit
in
its code. Then they'd stop leasing the server, releasing it back again into IBM's pool of
accessible devices for other clients.
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A handful of hours later on, they'd rent adequate servers to find the identical actual
equipment
all over again, identifying it through the serial amount of its motherboard as well as other
distinctive identifiers. They located that despite the fact that they were supposedly
becoming
handed a "fresh" device, the BMC firmware alteration remained.
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"The infection of the firmware is persistent, it’s not reimaged any time you reimage the
entire
application stack," Bulygin states. And while the researchers designed just a benign
transform,
they say it will be straightforward more than enough to cover truly malicious firmware while
using the identical trick.
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